Mechanical Designer

Overview Kimley-Horn is seeking a Mechanical Designer with 4+ years of experience to join the St. Petersburg, Florida (FL) office! This is not a remote position. Responsibilities Lead designer role is in conjunction with lead engineer responsibilities. Ability to oversee the HVAC design of projects from concept to completion, including continuous interface with the design team and clients. Assists with Requests for Proposals and Requests for Qualifications for various clients and marketing opportunities Mentor and coordinate the work of designers and other technical staff on various mechanical or multi-discipline projects Manage and deliver tasks under minimal supervision and guidance This is an exciting opportunity to work with a team of engineers and designers on a variety of projects You will flourish on both building meaningful internal and external professional relationships You will work closely and collaboratively with other industry leading professionals, various jurisdictions, and contractors on multiple project types including: Office Residential Highrise Mixed-use/ Retail Municiple Hospitality Transportation Industrial/Manufacturing Sustainability/ Decarbonization Qualifications 4+ years of related experience Proven design experience with comfort and HVAC systems and related controls Proven design experience with plumbing systems including water, sewer, and gas Experience producing engineering and energy studies including comcheck, Title 24 Experience mentoring and coordinating the work of EITs, designers, and other technical staff on various mechanical or multi-discipline projects Able to manage and deliver tasks under minimal supervision and guidance Experience in AutoCAD and Revit is a plus Strong verbal and written communication skills and critical thinking ability Ability to work individually or in a multi-discipline team Why Kimley-Horn? At Kimley-Horn, we do things differently. People, clients, and employees are at the forefront of who we are. Clients know we prioritize achieving their goals and growing their success. Employees know our culture and approach to business are built on a desire to provide an environment for everyone to flourish. Our commitment to quality is only as good as the people behind it— that’s why we welcome and develop passionate, hardworking, and proactive employees. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 19 years! Key Benefits at Kimley-Horn Exceptional Retirement Plan: 2-to1- company match on up to 4% of eligible compensation (salary + bonus) and additional profit-sharing contribution. Comprehensive Health Coverage: Low-cost medical, dental, and vision insurance options. Time Off: Personal leave, flexible scheduling, floating holidays, and half-day Fridays. Financial Wellness: Student loan matching in our 401(k), and performance-based bonuses. Professional Development: Tuition reimbursement and extensive internal training programs. Family-Friendly Benefits: New Parent Leave, family building benefits, and childcare resources. Share this job with a friend ( Share on social media This posting is for a current vacancy. Applications are being accepted on an ongoing basis; however, this job posting may close at any time after a minimum of 3 days of being posted. PleaseCLICK HERE ( to learn more about the potential Benefits you may be eligible to receive with this role. If you require an accommodation, pleaseCLICK HERE. ( Applicants must be legally authorized to work for Kimley-Horn in the U.S. without employer sponsorship. We do not typically sponsor H1-B or any other work visa petitions. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities Software Powered by ICIMS ( Posted Date 3 weeks ago (8/26/2026 9:14 AM)

ID 2026-26065